Menara DDTC, Jl. Raya Boulevard Barat,
Blok XC 5-6 No. B, Kelapa Gading, Jakarta Utara,

+62 21 2938 2700

Key contacts:

Tax Compliance & Litigation: David Hamzah Damian
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Transfer Pricing: Romi Irawan
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Tax Research & Training: B Bawono Kristiaji
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Quick facts:

Number of advisers: 140
Network memberships: Indonesia Chartered Accountants, Indonesia Association of Universities' Tax Center
Languages: Indonesia, English, Dutch

DDTC was established in 2007 by Indonesian well known taxation experts, Darussalam and Danny Septriadi. DDTC has diversified its business into several units, including: (i) DDTC Consulting, that provides high-quality taxation tax, customs and transfer pricing services to businesses, (ii) DDTC Fiscal Research, that mainly works with Indonesian authorities, international and domestic organizations to promote effective and efficient tax regimes based on cooperative compliance, (iii) DDTC News, that being as the only provider of digital tax news portal to the tax society, (iv) DDTC Academy, that provides high-impact tax learning in eliminating asymmetric information, and (v) DDTC Tax Engine, that being as the only free digital database of tax laws, treaty networks and court decisions.

We deliver broad range of taxation services, including transfer pricing documentation, tax advisory, tax compliance & litigation, public advocacy, tax training, APA/MAP, policy research, and tax controversy services, covering all areas of taxation including CIT, PIT, VAT, customs, excise, sub-national taxes.

Our firm is supported by qualified personnel with multidisciplinary backgrounds. We have 5 partners and more than 135 fee earners. Around 40% of our partners and fee earners graduated from various post-graduate programs (LL.M, MBA, MSc, PhD).

Majority of our professionals hold tax consultant, tax attorney licenses, as well as certificates and diplomas from the CIOT – UK (the most in Indonesia). Our professionals receive overseas training and post-graduate program from reputable universities and institutions, for instance: Duke University, Harvard Kennedy School, WU Vienna, Tax Academy of Singapore, ITC Leiden, University of Amsterdam, Maastricht University, IBFD, and others.

Compliance Management:

  • Business Model Optimisation
  • Economic Modelling
  • Policy Design
  • IP Management
  • Technology Services

Corporate Tax Matters:

  • Cross-border Project Management
  • Restructuring
  • Cost-sharing Arrangements
  • APAs
  • Transactions
  • M&A
  • Financial Services
  • M&A
  • Financial Services
  • Corporate Taxes
  • Technology
  • Value Chains

Dispute Resolution: 

  • Audit Defence
  • Audit Support
  • Dispute Resolution
  • Pre-litigation
  • MAPs/ADRs
  • Litigation
  • Arbitration
  • Controversy Management

Tax Advisory:

  • Tax Consulting
  • International Tax Advisory
  • VAT
  • GST
  • Customs
  • Supply Chains


  • Research
  • Training
  • Policy Advisory
  • Knowledge Sharing for Tax Stakeholders
  • Tax Incentives & Facility Support
  • Tax Compliance Assurance
  • HNWI & Expatriate Taxes
  • Individual Employee Taxes
  • Judicial Review Support

  • International tax planning
  • Economic modelling 
  • Cross-border project management 
  • TP policy design 
  • Business restructuring 
  • Business model optimisation
  • Audit defence
  • Audit support
  • TP risk management 
  • IP management
  • Cost-sharing arrangements 
  • Dispute resolution 
  • Litigation
  • Arbitration
  • Controversy management

Tax Controversy
R Herjuno Wahyu Aji
Transactions Tax
Rinan Auvi Metally
Corporate Tax Matters
Anggi P I Tambunan
Tax Advisory
Indirect Tax
Ganda C Tobing
Compliance Management
Klara Erika

Transfer Pricing Documentation
Pretty Wulandari
Transfer Pricing Controversy & Dispute Resolution
Veronica Kusumawardani
Supply Chain Optimisation & Business Restructuring
Flouresya Lousha
Advance Pricing Agreement
Cindy Kikhonia Febby
International Tax Planning
Yusuf Wangko Ngantung

  • Accounting 
  • Agriculture
  • Automative
  • Aviation
  • Banking
  • Construction and materials
  • Consumer goods and services
  • Energy
  • Financial services 
  • Food and beverage
  • Foestry
  • Government and public policy
  • Healthcare
  • Industrials 
  • Insurance
  • Investment management 
  • Media
  • Mining 
  • Natural resources
  • Oil and gas
  • Pharma and life sciences
  • Real estate 
  • Shipping
  • Social infrastructure 
  • Tech and telecoms
  • Tourism 
  • Transport
  • Utilities


  • Online Retail,
  • Rubber Industry
  • Dairy Products
  • Tobacco Processing
  • Pulp & Paper
  • Electrical